Messages in this thread Patch in this message | | | From | David Ahern <> | Subject | [PATCH 2/3] perf stat: Don't require a workload when using system wide or CPU options | Date | Sat, 28 Sep 2013 14:27:59 -0600 |
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perf-stat can do system wide counters or one or more cpus. For these options do not require a workload to be specified.
Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Stephane Eranian <eranian@google.com> --- tools/perf/builtin-stat.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 6cc0aa2..60239fe 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1517,8 +1517,10 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) } else if (big_num_opt == 0) /* User passed --no-big-num */ big_num = false; - if (!argc && !perf_target__has_task(&target)) + if (!argc && !perf_target__has_task(&target) && + !perf_target__has_cpu(&target)) usage_with_options(stat_usage, options); + if (run_count < 0) { usage_with_options(stat_usage, options); } else if (run_count == 0) { -- 1.7.10.1
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